<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
		//Descomentar esto para hacerlo cableado
		/*$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);*/
		if (isset($this->username)) {
			
			$username = strtolower($this->username);
			$user = TblUser::model()->find('LOWER(username)=:username', array(':username'=>$username));

			if(!$user)
				$this->errorCode=self::ERROR_USERNAME_INVALID;
			elseif($user->password!==$this->password)
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
			else
				$this->errorCode=self::ERROR_NONE;
			return !$this->errorCode;
		}
	}
}